Hi ,just a quick question I am just about to swop a crappy induction kit off my 182 and fit a ph 1 airbox ,what diameter are the two caf holes and should i bother fitting the pipes that came with the box on them or get caf pipes off ebay,and where should i locate these,i have just bought standard air filter but thinking of getting itg or pipercross filter all advice would be appreciated thanks belly60